Just in time for St Paddy's Day, we check out some of the Irish coffees around town. Screw green beer. That stuff will kill you. After drinking many Irish Coffees in the name of serious scientific research, I have discovered a good Irish coffee relies on two relatively simple elements: the freshness of the coffee and use of real heavy cream #1 Tom Bergin's Tom Bergin's is known as the home of Irish coffee, at......